1116 



INDEX. 



Photomicrography, Ellis's Focusing 



Arrangement for, 1028. 



, Focusing in, 6G2. 



, Eemarks on, 827. 



. See Contents, xxxvi. 



with a Sliding Diaphragm, 529. 



with High Powers, 664. 



Photo-Microscopy, 827. 

 P]]r3Tius, Remarks on, and Nervous Sys- 

 tem of Insects and Spiders, 223. 

 Phycochromacese, Sphserogonium, a new 



genus of, LSI. 

 Phycotheca Italiana, 278. 



universalis, 124. 



Phylogeny and Ontogeny of the Polyzoa, 



66. 



of Arachnida, 949. 



■ of Bopyridse, 587. 



Physician's Microscope, Grunow's, 159, 



287. 

 Physiological Eole of Vine Leaves, 784. 

 Phytophthora infestans, Structure and 



Life-History of, 447. 

 Phytopti, Anatomy and Classification of, 



:-J89. 



Phytoptocecidia, 274. 



Piccone, A., Birds as Disseminators of 



Seeds, 271. 

 , Dissemination of Algse by Fish, 



787. 

 Pichi, P., Histology of Vine-leaves, 778. 

 ■ , Peronospora umbelliferarum on the 



Vine, 789. 

 Picrocarmine, New method for making, 



848. 

 Pigment Cells, Origin of, which invest the 



Oil-drop of Pelagic Fish-embryos, 43. 



, Fungus, Fluorescence of, 628. 



Pigments, Enterochlorophyll and Allied, 



214. 

 Pillischer's (M.) Kosmos Microscope, 182. 

 Pilularia, 275. 

 Pinckney, E., 177. 



• , Slide-Index, 856. 



Pirotta, R., Crystalloids in Pithecocte- 



nium clematidium, 108. 

 , J. R., and L. Marcatili, Laticiferous 



Vessels, 110. 

 ■ , Laticiferoris Vessels and Assimi- 

 lating System, 984. 

 Pitcher Plants, Preparing the Epidermal 



Tissues of, 164. 

 Pitchers of Sarracenia, 612. 

 Pith of Coniferte, Interruption in, 110. 

 Pithecoctenium clematideum, Crystalloids 



in, 108. 

 Planaiia Iheringii, 963. 

 Planarians, Land, 596. 

 Planispirina, 977. 

 Planta,De, Chemical composition of certain 



Nectars, 425. 

 Plants, Absorption of Colouring Matters 



by, 172. 



' in Alcohol, Preparation, 675. 



Plasmolysed Cells, Growth of, 254. 

 Plate, L., Ectoparasitic Rotifers from the 



Bay of Naples, 757. 



Plateau, F., Function of Palps of Myriopods 



and Spiders, 223. 



, Light-perception by Myriopods, 76. 



Platner, G., Theory of Cell-division, 935. 



Plant, H. C, 177. 



, ]\Iethod for Preservation and further 



Cultivation of Gelatin Cultures, 497. 



, Oidiiim albicans, 793. 



Pleurothallis omatus, Pollination of, 992. 

 Plowright, C. B., Hetercecious UredinesB, 



1004. 

 Pluiiibaginese, Structure and Geographical 



Distribution of, 428. 

 Plumulariidse, Genera of, 248. 

 Pock-process, New Parasite of, belonging 



to Sporozoa, 978. 

 Pocta, P., Fossil Calcareous Elements of 



Alcyonaria and Holothurioida, 215. 

 Podosphsera minor, Howe, and Micro- 



sphaera fulvofulcra, Cooke, Identity of, 



1002. 

 Podostomata, 238. 

 Poels, J., and W. Nolen, Contagium of 



Lung-Disease, 135. 

 Poirier, J., The Diplostomidse, 93. 

 Poisoniijg and Ansesthesia of Plants, 785. 

 Poisonous Plants to Fish, 438. 

 principles of Hymenomycetous Fungi, 



127. 

 Polar Bodies and Theory of Heredity, 934. 



Globules in Insect Ova, 576. 



in IsDpoda, 952. 



Polariscope, Lighton's Analysing Dia- 

 phragm for, 812. 



, Simple, 162. 



, single, for the Toy Microscope, 661. 



Polarizing Prism, Ahrens's, 152. 



Projection - Microscope, Newton's 



Electric^ 1021. 

 Poli, A., 667, 830. 

 Pollen, " Crazy," of the Bell-wort, 781. 



of Iris tuberosa, 114. 



, Resistance of, to External Influences, 



613. 

 Pollen-grains, Amyloid Corpxiscles in, 991. 



, Growth of, 435. 



, Inversion of Sugar by, 273. 



, Mimetic, 431. 



, Vitality of, 269. 



Pollen-tubes, Entrance of, into the con- 

 ducting Tissue, 614. 

 Pollens, Mounting, 174. 

 Pollination, Hybrid-, 269. 



of Flowers, 434. 



of Pleurothallis omatus, 992. 



Polychseta, Australian, 399. 



, Histology of Nervous System of, 954. 



, Muscular Fibres of, 396. 



of Dinard, 588. 



Polycystis, 286. 

 Polygonacese, Ochrea of, 430. 

 Polygonum, Stipular Sheath of, 779. 

 Polynoe Grubiana and Hermione hystrix. 



Histology of the Integument and Sensory 



Appendages of, 752. 

 Polyparium ambulans, 969. 

 and Tubularia, 968. 



